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Hey, The check is in the mail. In your previous post you said: "For every action there is an equal and opposite reaction. If you are pulling your bottom hand in the direction of your shoulders than your shoulders must counter it with a force in the direction of your hands. This force and counter for...

I fundamentally understand what you are attempting to describe, however, please make a few clarifications. Class 1 lever (as described by you) has the weight on the top hand, big bend and the bottom hand is a fulcrum. Class 2, force applied by the hands on the top of the pole, you wrote, "your weigh...

It's obvious that you have put a lot of research and thought into your message. It is, however, difficult to fully understand what your are trying to say. This is why. Pole vaulting is essentially an event of physics. All attempts to describe or discuss the event are somewhat ineffective because the...